PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G12DUBearing,washer,thrust

Ggb Llc · NSN 3120-01-145-1231 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-145-1231 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-145-1231. Primary manufacturer part number: G12DU.
Features
  • Bearing,washer,thrust — FSC 3120
  • Diameter: 0.8750 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN
  • Material: LUBRICANT LUBRICATION
  • Outside Diameter: 1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
  • Overall Thickness: 0.0585 INCHES MINIMUM AND 0.0605 INCHES MAXIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: Ggb Llc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-145-1231, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Ggb Llc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-145-1231
Primary Part NumberG12DU
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerGgb Llc
StatusACTIVE
Diameter0.8750 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN
MaterialLUBRICANT LUBRICATION
Outside Diameter1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
Overall Thickness0.0585 INCHES MINIMUM AND 0.0605 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3120-01-187-95857-317236816 INTERCHANGEABLE
Bearing,washer,thrust
Ggb Llc
Cross-Reference Index
Part NumberManufacturer
7D3-05236 IT NO Lake Shore Systems, Inc. (USA)
7D3-05237 IT NO Lake Shore Systems, Inc. (USA)
G12DU PRIMARY Ggb Llc (USA)
7D3-05236 ITEM NO 4 Lake Shore Systems, Inc. (USA)
Related Parts
3120-01-187-9585INTERCHANGEABLE
BEARING,WASHER,THRUST
7-317236816

Frequently Asked Questions

What is NSN 3120-01-145-1231?

NSN 3120-01-145-1231 is a Bearing,washer,thrust, manufactured by Ggb Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-145-1231?

NSN 3120-01-145-1231 has 4 cross-referenced part numbers: 7D3-05236 IT NO (Lake Shore Systems, Inc.), 7D3-05237 IT NO (Lake Shore Systems, Inc.), G12DU (Ggb Llc), 7D3-05236 ITEM NO 4 (Lake Shore Systems, Inc.).

What NSN replaces 3120-01-145-1231?

There is 1 known substitute for 3120-01-145-1231: 3120-01-187-9585. Verify interchangeability with system specifications before substitution.

What are the specifications of G12DU?

Key specifications for G12DU: Diameter: 0.8750 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN; Material: LUBRICANT LUBRICATION; Outside Diameter: 1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN; Overall Thickness: 0.0585 INCHES MINIMUM AND 0.0605 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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